What is a decryption function?

What is a decryption function?

Decryption is a process that transforms encrypted information into its original format. The process of encryption transforms information from its original format — called plaintext — into an unreadable format — called ciphertext — while it is being shared or transmitted.

How to use decrypt function in SQL?

The decrypt() function has the following syntax: varchar = decrypt(varchar text , varchar key [, int algorithm [, varchar IV ]]); nvarchar = decrypt(nvarchar text , nvarchar key [, int algorithm [, varchar IV ]]); The text value specifies the value to encrypt or decrypt.

What are the encryption and decryption functions?

Encryption is a process which transforms the original information into an unrecognizable form. Decryption is a process of converting encoded/encrypted data in a form that is readable and understood by a human or a computer. Encryption method helps you to protect your confidential data such as passwords and login id.

What is NVL and nvl2 function and difference?

Answer: The nvl function only has two parameters while the nvl parameter has three arguments. The nvl2 like like combining an nvl with a decode because you can transform a value: NVL ( expr1 , expr2 ): If expr1 is null, then NVL returns expr2. If expr1 is not null, then NVL returns expr1.

How do you decrypt an encrypted value?

To decrypt an enciphered message, paste it in the box below, enter the key with which it was encrypted in the Key box at the top, and press the Decrypt button. The decrypted text will be placed in the Plain Text box above.

How do I decrypt a stored procedure?

Once you have installed SQL Decryptor, decrypting an object like a stored-procedure is fast and simple. To get started, open SQL Decryptor and connect to the SQL Server instance that contains the database with the encrypted stored-procedures you want to decrypt. Then browse to the stored-procedure in question.

Can we use decode in where clause?

Don’t use decode() . It really is very old-fashioned. You can use case or just put the right logic as in: where a.account = 545 and (?

What are Netezza string functions?

Netezza String Functions are used primarily for string manipulation. An IBM Netezza also supports some of the standard string function along with the PostgreSQL specific functions. Below is the list of Netezza String functions supported:

What is Netezza’s technology architecture?

Netezza maintains transactions in progress with Atomicity, consistency, isolation, durability (ACID) methodology. Netezza employs an asymmetric massively parallel processing (AMPP) architecture that distributes processing across many individual processors located close to the data.

What is Netezza performance Server (NPS)?

Netezza performance server (NPS) is constructed as a datawarehouse appliance,integrating the database, server and storage in a single unit. Netezza maintains transactions in progress with Atomicity, consistency, isolation, durability (ACID) methodology.